$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-nq.git /var/lib/mock/f42-build-3272656-41307/root/chroot_tmpdir/scmroot/gap-pkg-nq
Cloning into '/var/lib/mock/f42-build-3272656-41307/root/chroot_tmpdir/scmroot/gap-pkg-nq'...
$ git fetch origin 7f770a86c5b82e0154ea048660413e5d9bebaf1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-nq
 * [new ref]         7f770a86c5b82e0154ea048660413e5d9bebaf1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f770a8 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild